Ramming and castable are common refractory materials. Do you know the difference between them? It is mainly the difference between the two in the construction and hardening methods, so that their respective characteristics and advantages are different. The following small edition of Anetje will introduce you to the difference between intermediate frequency furnace ramming materials and castables.

1. Define the difference

Medium frequency furnace ramming material: Usually the ramming material is used in the construction site with pickaxe or mechanical ramming, when the wind pressure is higher than 0.5MPa, the use of less or the use of unimportant parts can also be used manually ramming. Mixing a certain proportion of refractory aggregate, powder, binder, admixture with water or other liquids through uniform mixing production, medium frequency furnace ramming material has low water content, knotting dense, compared with the same material of castable performance is better.

Castable: Castable is usually poured, shaken or tamped directly at the construction site, or can be prefabricated into prefabricated parts for use before leaving the factory.

2, raw material composition difference

Medium frequency furnace ramming material: mainly composed of quantitative granular graded aggregate and powder plus binder, additive mixed made of amorphous refractory material.

Castable: The three main components, additional components and impurities of these three, divided into: aggregate, powder and binder. It is made of granular and powdery material made of refractory material with a certain amount of binder.

3, material classification difference

Medium frequency furnace ramming materials: high alumina, dolomite, magnesium, clay, zirconium and silicon carbide - carbon refractory ramming materials.

Castable: according to the binder divided into hydraulic binding, chemical binding, condensation binding refractory castable.

4. Application differences

Intermediate frequency furnace ramming material: It is used to fill the gap between the furnace cooling equipment and the masonry or the masonry screed. It is widely used in metallurgy, building materials, nonferrous metal smelting, chemical industry, machinery and other manufacturing industries.

Castable: mainly used for lining and other structures of various heating furnaces in buildings, suitable for furnaces and heating equipment in metallurgy, petroleum, chemical industry, construction, electric power and machinery industries.

In summary, the difference between intermediate frequency furnace ramming and castable has been introduced for everyone, I hope to help you! The raw materials and construction methods of intermediate frequency furnace ramming materials and castables are different, and the materials with characteristics can be selected according to their own needs to make them play their own advantages.